Stackup Blog

Why account abstraction is important and a practical pathway to achieving it

A look into ERC-4337 and how it can provide a 10x increase in today's wallet experience.

Why account abstraction is important and a practical pathway to achieving it

A deep dive into all the known approaches used for calculating a UserOperation's callGasLimit and their trade-offs.

Estimating callGasLimit for UserOperations

When Visa needed ERC-4337 infrastructure, they turned to Stackup

How Visa used Stackup for gas payments

An initial analysis into a UserOperation's PreVerificationGas value. What is it? Why is it important? And what are some approaches for calculating it?

An analysis of PreVerificationGas

Stackup is more than a node operator -- account abstraction is the core of our business.

Why Choose Stackup as Your Go-To for Account Abstraction over Others, Like Alchemy?

One advantage of ERC-4337 is that multiple transactions can be sent in a single action. This allows you to turn any experience in crypto into one click.

How to Send Multiple Transactions into a Single User Operation

You don’t need to be an expert with ERC-4337 to create user operations. In this example, we’ll use userop.js to send an ERC-20 token.

How to send an ERC-20 token with ERC-4337

The public mempool is not just an essential element of ERC-4337, but its central cog, turning the entire operation into a positive-sum game.

Bridging the Gap: The Power of a Unified Mempool

Hazim and I founded Stackup because crypto hasn't fully lived up to its promise.

The Blockchain Promise

As long as we are stuck with the term account abstraction, we might as well refine it.

Four Shades of Account Abstraction

The ERC-4337 team has announced a bundler test suite as a security audit begins

Announcement: Bundler Test Suite

Which bundler package is right for you?

A Guide to the Top ERC-4337 Bundlers: Features, Performance, and More

Introducing Stackup's Paymaster, the ultimate solution for developers looking to simplify the process of sponsoring gas fees for their users.

Introducing Stackup's Paymaster

Paying for transaction fees on a blockchain can be a hassle, but with the use of a paymaster, it doesn't have to be!

How to Sponsor Transactions Using a Paymaster

One of ERC-4337's key components is the Paymaster, which enables third-party mechanisms to pay for transactions on behalf of users.

What are Paymasters?

Account abstraction is a blockchain technology that allows users to use smart contracts as their accounts.

What is Account Abstraction?

EIP-4337, also known as the ERC-4337 standard, is a proposed Ethereum improvement proposal that aims to introduce account abstraction to the Ethereum network.

What is EIP-4337?

Account abstraction projects are working together on a public mempool for ERC-4337. Here's what you should know.

Meeting Recap: Public Mempool Kickoff

A look into ERC-4337 and how it can provide a 10x increase in today's wallet experience.

Why account abstraction is important and a practical pathway to achieving it

If you are a developer you've likely come across the concept of smart contracts. But what exactly are smart contracts, and how do they work?

What Are Smart Contracts?

Signature aggregators allow multiple transactions to be made with a single signature.

Understanding Aggregators in ERC-4337

Use EIP-1271 to sign messages from smart contract accounts

How to validate signatures of smart contract wallets

One disadvantage of smart accounts over traditional wallets is that fees can be higher. But how much?

How Expensive Are ERC-4337 Gas Fees?

A combination of ERC-4337 and oAuth 2.0 could unlock access to Ethereum.

The Future of Ethereum Access: oAuth and Account Abstraction

The ERC-4337 bundler core developer team began the networking specification for ERC-4337 bundlers. Here's the summary.

Meeting Recap: Bundler P2P Specification